Category : Natural History

Natural History / Natural History - 9 years ago

Is sea level rising?

With continued ocean and atmospheric warming, sea levels will likely rise for many centuries at rates higher than that of the current century. In the United States, almost 40 percent of the population lives in relatively high-population-density c...

Natural History / Natural History - 9 years ago

What is a benthic habitat map?

Benthic habitat map for Pacific Island Territories The term benthic refers to anything associated with or occurring on the bottom of a body of water. The animals and plants that live on or in the bottom are known as the benthos. In ocean water...

Natural History / Natural History - 9 years ago

What is an estuary?

Estuaries: Where the River Meets the Sea Get to know estuaries with this two-minute video. Estuaries and their surrounding wetlands are bodies of water usually found where rivers meet the sea. Estuaries are home to unique plant and animal c...

Natural History / Natural History - 9 years ago

How deep is the ocean?

The Spanish Dancer, a type of sea cucumber, hovers at 9,150 feet near the Davidson Seamount off the coast of California. That's 1.7 miles down! The average depth of the ocean is about 12,100 feet. The deepest part of the ocean is called the Ch...